Question 1

Your car gets 34.7 mi/gal on a vacation trip in the U.S. If you were figuring your mileage in Europe, how many km/L did it get? (3.79 L = 1.00 gal; 1.00 mi = 1.61 km)

Accepted Answer

A) 14.7 km/L 
B) 9.16 km/L 
C) 55.9 km/L 
D) 32.4 km/L 
A) 14.7 km/L 
B) 9.16 km/L 
C) 55.9 km/L 
D) 32.4 km/L

Question 2

A reasonable estimate for the mass of a typical new-born baby is

Accepted Answer

A) 1 kg. 
B) 3 kg. 
C) 10 kg. 
D) 20 kg. 
A) 1 kg. 
B) 3 kg. 
C) 10 kg. 
D) 20 kg.

Question 3

Add $1299 \mathrm {~g}$ and $45.1 \mathrm {~kg}$ and express your answer in milligrams (mg)to the correct number of significant figures.

Accepted Answer

A) 4.64 × 107 mg 
B) 4.64 × 104 mg 
C) 4.64 × 105 mg 
D) 4.64 × 106 mg 
A) 4.64 × 107 mg 
B) 4.64 × 104 mg 
C) 4.64 × 105 mg 
D) 4.64 × 106 mg

Question 4

What is the sum of 1.53 + 2.786 + 3.3 expressed to the correct number of significant figures?

Accepted Answer

A) 7 
B) 7.6 
C) 7.62 
D) 7.616 
E) 7.6160 
A) 7 
B) 7.6 
C) 7.62 
D) 7.616 
E) 7.6160

Question 5

Which of the following numbers has 4 significant figures; which has 5 significant figures?
(a)3001
(b)0.00370
(c)4774.00
(d)29.290

Accepted Answer

(a)has 4 significant

Question 6

Write out the number 8.42 × 10-5 in full with a decimal point and correct number of zeros.

Accepted Answer

A) 0.00000842 
B) 0.0000842 
C) 0.000842 
D) 0.00842 
A) 0.00000842 
B) 0.0000842 
C) 0.000842 
D) 0.00842

Question 7

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as

Accepted Answer

A) 0.68 m2 
B) 0.682 m2 
C) 0.6818 m2 
D) 0.68175 m2 
A) 0.68 m2 
B) 0.682 m2 
C) 0.6818 m2 
D) 0.68175 m2

Question 8

A reasonable estimate for the height of the walls in an ordinary American home is

Accepted Answer

A) 10 m. 
B) 8 m. 
C) 2.5 m. 
D) 1.5 m. 
A) 10 m. 
B) 8 m. 
C) 2.5 m. 
D) 1.5 m.

Question 9

A jar of peanut butter costs $3.29. Express its price in dekadollars and decidollars.

Accepted Answer

A) 0.329 dekadollars; 0.329 decidollars 
B) 32.9 dekadollars; 0.329 decidollars 
C) 329 dekadollars; 32.9 decidollars 
D) 0.329 dekadollars; 32.9 decidollars 
E) 32.9 dekadollars; 329 decidollars 
A) 0.329 dekadollars; 0.329 decidollars 
B) 32.9 dekadollars; 0.329 decidollars 
C) 329 dekadollars; 32.9 decidollars 
D) 0.329 dekadollars; 32.9 decidollars 
E) 32.9 dekadollars; 329 decidollars

Question 10

An oak tree was planted $22 \text { years }$ ago. How many seconds does this correspond to? (Do not take leap days into account.)

Accepted Answer

A) 6.9 × 108 
B) 1.2 × 107 
C) 2.9 × 107 
D) 2.8 × 108 
A) 6.9 × 108 
B) 1.2 × 107 
C) 2.9 × 107 
D) 2.8 × 108

Question 11

The volume of a 10-mL test tube is equivalent to which one of the following quantities?

Accepted Answer

A) 0.01 L 
B) 0.001 kL 
C) 0.1 L 
D) 1 × 10-6 L 
E) 0.001 ML 
A) 0.01 L 
B) 0.001 kL 
C) 0.1 L 
D) 1 × 10-6 L 
E) 0.001 ML

Question 12

A traveler has about $536 in his checking account, about $2107 in his savings account and exactly $7.62 in his wallet. To the greatest precision warranted, how much money does this shopper have?

Accepted Answer

A) $2651 
B) $2,650 
C) $2,650.6 
D) $2,650.62 
E) $2,650.620 
A) $2651 
B) $2,650 
C) $2,650.6 
D) $2,650.62 
E) $2,650.620

Question 13

A weight lifter can bench press $171 \mathrm {~kg} .$ How many milligrams is this?

Accepted Answer

A) 1.71 × 108 mg 
B) 1.71 × 109 mg 
C) 1.71 × 107 mg 
D) 1.71 × 106 mg 
A) 1.71 × 108 mg 
B) 1.71 × 109 mg 
C) 1.71 × 107 mg 
D) 1.71 × 106 mg

Question 14

The following conversion equivalents are given: 1.0 mile = 5280 ft 1.0 ft = 12 in 1 m = 39.37 in
1.0 hour = 60 min 1.0 min = 60 s
If a deer runs at 4.7 mi/h, its speed, in meters per second, is closest to

Accepted Answer

A) 2.1 m/s. 
B) 1.7 m/s. 
C) 1.9 m/s. 
D) 2.3 m/s. 
E) 2.5 m/s. 
A) 2.1 m/s. 
B) 1.7 m/s. 
C) 1.9 m/s. 
D) 2.3 m/s. 
E) 2.5 m/s.

Question 15

Leonardo da Vinci's Mona Lisa is 21 in. wide and 30.25 in. tall. What is the area of the painting in square centimeters? (1.00 m = 39.37 in.)

Accepted Answer

A) 4,100 cm2 
B) 1,600 cm2 
C) 660 cm2 
D) 3,300 cm2 
E) 2,400 cm2 
A) 4,100 cm2 
B) 1,600 cm2 
C) 660 cm2 
D) 3,300 cm2 
E) 2,400 cm2

Question 16

Given that 1.00 in. = 2.54 cm, how many square centimeters are in 1.00 square inch?

Accepted Answer

A) 1.59 
B) 2.54 
C) 5.08 
D) 6.45 
A) 1.59 
B) 2.54 
C) 5.08 
D) 6.45

Question 17

A volume of 100 mL is equivalent to which one of the following volumes?

Accepted Answer

A) 1 kL 
B) 10-6 μL 
C) 0.1 L 
D) 0.01 ML 
A) 1 kL 
B) 10-6 μL 
C) 0.1 L 
D) 0.01 ML

Question 18

A spherical fruit has a radius of 3.23 cm. What is the volume of the fruit in cubic meters?

Accepted Answer

A) 1.41 × 10-4 m3 
B) 1.41 m3 
C) 4.23 × 10-4 m3 
D) 4.23 m3 
A) 1.41 × 10-4 m3 
B) 1.41 m3 
C) 4.23 × 10-4 m3 
D) 4.23 m3

Question 19

The average density of blood is 1.06 × 103 kg/m3. If you donate a pint of blood to the Red Cross, how many grams of blood have you donated? (2.00 pt = 1.00 qt, 1.00 L = 1000 cm3, 1.00 qt = 0.947 L, and density is mass per unit volume.)

Accepted Answer

A) 502 g 
B) 0.502 g 
C) 5020 g 
D) 5.02 × 105 g 
E) 5.02 g 
A) 502 g 
B) 0.502 g 
C) 5020 g 
D) 5.02 × 105 g 
E) 5.02 g

Question 20

The king's chamber of the great pyramid in Egypt is 10.43 m long, 5.21 m wide, and 5.82 m high. What is the volume of the chamber in cubic feet, expressed to the correct number of significant figures? (1.00 in. = 2.54 cm)

Accepted Answer

A) 316 ft3 
B) 3,720 ft3 
C) 6,530 ft3 
D) 11,200 ft3 
E) 13,200 ft3 
A) 316 ft3 
B) 3,720 ft3 
C) 6,530 ft3 
D) 11,200 ft3 
E) 13,200 ft3

Exam 1: Representing Motion

Your car gets 34.7 mi/gal on a vacation trip in the U.S. If you were figuring your mileage in Europe, how many km/L did it get? (3.79 L = 1.00 gal; 1.00 mi = 1.61 km)

A reasonable estimate for the mass of a typical new-born baby is

Add 1299 g1299 \mathrm {~g}1299 g and 45.1 kg45.1 \mathrm {~kg}45.1 kg and express your answer in milligrams (mg)to the correct number of significant figures.

What is the sum of 1.53 + 2.786 + 3.3 expressed to the correct number of significant figures?

Which of the following numbers has 4 significant figures; which has 5 significant figures? (a)3001 (b)0.00370 (c)4774.00 (d)29.290

Write out the number 8.42 × 10-5 in full with a decimal point and correct number of zeros.

The length and width of a rectangle are 1.125 m and 0.606 m, respectively. Multiplying, your calculator gives the product as 0.68175. Rounding properly to the correct number of significant figures, the area of the rectangle should be written as

A reasonable estimate for the height of the walls in an ordinary American home is

A jar of peanut butter costs $3.29. Express its price in dekadollars and decidollars.

An oak tree was planted 22 years 22 \text { years }22 years ago. How many seconds does this correspond to? (Do not take leap days into account.)

The volume of a 10-mL test tube is equivalent to which one of the following quantities?

A traveler has about $536 in his checking account, about $2107 in his savings account and exactly $7.62 in his wallet. To the greatest precision warranted, how much money does this shopper have?

A weight lifter can bench press 171 kg.171 \mathrm {~kg} .171 kg. How many milligrams is this?

The following conversion equivalents are given: 1.0 mile = 5280 ft 1.0 ft = 12 in 1 m = 39.37 in 1.0 hour = 60 min 1.0 min = 60 s If a deer runs at 4.7 mi/h, its speed, in meters per second, is closest to

Leonardo da Vinci's Mona Lisa is 21 in. wide and 30.25 in. tall. What is the area of the painting in square centimeters? (1.00 m = 39.37 in.)

Given that 1.00 in. = 2.54 cm, how many square centimeters are in 1.00 square inch?

A volume of 100 mL is equivalent to which one of the following volumes?

A spherical fruit has a radius of 3.23 cm. What is the volume of the fruit in cubic meters?

The average density of blood is 1.06 × 103 kg/m3. If you donate a pint of blood to the Red Cross, how many grams of blood have you donated? (2.00 pt = 1.00 qt, 1.00 L = 1000 cm3, 1.00 qt = 0.947 L, and density is mass per unit volume.)

The king's chamber of the great pyramid in Egypt is 10.43 m long, 5.21 m wide, and 5.82 m high. What is the volume of the chamber in cubic feet, expressed to the correct number of significant figures? (1.00 in. = 2.54 cm)

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Filters

Add $1299 \mathrm {~g}$ and $45.1 \mathrm {~kg}$ and express your answer in milligrams (mg)to the correct number of significant figures.

Write out the number 8.42 × 10^-5 in full with a decimal point and correct number of zeros.

An oak tree was planted $22 \text { years }$ ago. How many seconds does this correspond to? (Do not take leap days into account.)

A weight lifter can bench press $171 \mathrm {~kg} .$ How many milligrams is this?

The average density of blood is 1.06 × 10³ kg/m³. If you donate a pint of blood to the Red Cross, how many grams of blood have you donated? (2.00 pt = 1.00 qt, 1.00 L = 1000 cm³, 1.00 qt = 0.947 L, and density is mass per unit volume.)